class_docstr: Handles CRUD operations at the database level for Skills
code: def __init__(self, project_controller: ProjectController = None):
      if project_controller is None:
          project_controller = ProjectController()
      self.project_controller = project_controller
  
file_path: mindsdb/mindsdb/interfaces/skills/skills_controller.py
imports: from typing import Dict, List
  from mindsdb.interfaces.storage import db
  from mindsdb.interfaces.database.projects import ProjectController
  from sqlalchemy.orm.attributes import flag_modified
label_desc: Use image node_id 1 to create a new SkillsController object  with example: obj = SkillsController(project_controller)